JPS56161482A - Water ink composition for writing utensile - Google Patents
Water ink composition for writing utensileInfo
- Publication number
- JPS56161482A JPS56161482A JP6575280A JP6575280A JPS56161482A JP S56161482 A JPS56161482 A JP S56161482A JP 6575280 A JP6575280 A JP 6575280A JP 6575280 A JP6575280 A JP 6575280A JP S56161482 A JPS56161482 A JP S56161482A
- Authority
- JP
- Japan
- Prior art keywords
- hydroquinone
- ink
- writing
- dye
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To prevent ink from drying and changing its properties during long-term storage in containers or writing utensils and to prevent clogging etc. inside the writing utensiles, by incorporating hydroquinone (or a derivative) into an aq. soln. of a dye in water ink for writing utensils.
CONSTITUTION: In a water ink compsn. for use in fountain pens, marking pens, etc., 0.001W5wt% (based on the weight of the whole ink compsn.) hydroquinone and/or at least one hydroquinone derivative of the formula [wherein R1, R2 are each H, a 1W4C alkyl, -(CH2CH2O)n group; n is 1W3] are/is incorporated into an aq. soln. of a dye such as Eosine, Direct Deep Black XA or Rhodamine B, to produce the desired compsn. Examples of said hydroquinone derivatives are ethylhydroquinone and hydroquinone monomethyl ether. By the incorporation of hydroquinone, the evaporation of water in said ink is inhibited and the precipitation of the dye is prevented.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6575280A JPS56161482A (en) | 1980-05-16 | 1980-05-16 | Water ink composition for writing utensile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6575280A JPS56161482A (en) | 1980-05-16 | 1980-05-16 | Water ink composition for writing utensile |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56161482A true JPS56161482A (en) | 1981-12-11 |
JPS5757505B2 JPS5757505B2 (en) | 1982-12-04 |
Family
ID=13296061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6575280A Granted JPS56161482A (en) | 1980-05-16 | 1980-05-16 | Water ink composition for writing utensile |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56161482A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59168079A (en) * | 1983-03-14 | 1984-09-21 | Sakura Color Prod Corp | Water-based ink composition for writing utensil |
JPS63199782A (en) * | 1987-02-16 | 1988-08-18 | Canon Inc | Ink for ink jet recording and ink jet recording using the same |
-
1980
- 1980-05-16 JP JP6575280A patent/JPS56161482A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59168079A (en) * | 1983-03-14 | 1984-09-21 | Sakura Color Prod Corp | Water-based ink composition for writing utensil |
JPS63199782A (en) * | 1987-02-16 | 1988-08-18 | Canon Inc | Ink for ink jet recording and ink jet recording using the same |
Also Published As
Publication number | Publication date |
---|---|
JPS5757505B2 (en) | 1982-12-04 |
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